US9427452B2 - Method for preparing fermentation broth of fruits and vegetables - Google Patents

Method for preparing fermentation broth of fruits and vegetables Download PDF

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Publication number
US9427452B2
US9427452B2 US13/947,041 US201313947041A US9427452B2 US 9427452 B2 US9427452 B2 US 9427452B2 US 201313947041 A US201313947041 A US 201313947041A US 9427452 B2 US9427452 B2 US 9427452B2
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fruits
vegetables
cgmcc
bulgaricus
culture broth
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US20130302454A1 (en
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Dejun Sun
Jinlong Yin
Miaonan Sun
Yizhuo Zhao
Chunsheng Guo
Yanhui Gao
Xue Li
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JILIN ZIXIN PHARMACEUTICAL RESEARCH INSTITUTION LLC
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JILIN ZIXIN PHARMACEUTICAL RESEARCH INSTITUTION LLC
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66—Microorganisms or materials therefrom
    • A61K35/74—Bacteria
    • A23L1/212—
    • A23L1/3002—
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L13/00—Meat products; Meat meal; Preparation or treatment thereof
    • A23L13/60—Comminuted or emulsified meat products, e.g. sausages; Reformed meat from comminuted meat product
    • A23L13/67—Reformed meat products other than sausages
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L13/00—Meat products; Meat meal; Preparation or treatment thereof
    • A23L13/70—Tenderised or flavoured meat pieces; Macerating or marinating solutions specially adapted therefor
    • A23L13/72—Tenderised or flavoured meat pieces; Macerating or marinating solutions specially adapted therefor using additives, e.g. by injection of solutions
    • A23L13/74—Tenderised or flavoured meat pieces; Macerating or marinating solutions specially adapted therefor using additives, e.g. by injection of solutions using microorganisms or enzymes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105—Plant extracts, their artificial duplicates or their derivatives
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P1/00—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes
    • C12P1/04—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes by using bacteria

Definitions

  • the present invention relates to a method for preparing fermentation broth of fruits and vegetables.
  • An object of the present invention is to provide a method for preparing fermentation broth of fruits and vegetables.
  • the method provided by the present invention comprises following steps of:
  • a fermentation temperature is 18° C. ⁇ 37° C., wherein the fermentation temperature is preferably embodied as 18° C., 23° C., or 37° C.
  • a fermenting period is 10 days ⁇ 180 days, wherein the fermenting period is preferably embodied as 10 days, 15 days, or 180 days.
  • a fermentation method comprises stirring while fermentation.
  • the method further comprises smashing the fruits and the vegetables into pieces of 40 ⁇ 50 meshes before the step of fermentation.
  • the method further comprises filtering the fermentation product after the step of fermentation, collecting filtrate, processing ultrafiltration, and collecting liquid produced by the ultrafiltration, i.e., the fermentation broth of fruits and vegetables.
  • the step of ultrafiltration comprises ultrafiltering the filtrate in a molecular weight of 100,000, wherein a liquid inlet pressure is 1.3 kg, and a liquid outlet pressure is 0.5 kg.
  • the fruits and the vegetables refer to a mixture of following 54 kinds of fruits and vegetables, which are
  • Mass of each fruit or vegetable is equal with each other.
  • a proportion of the bacteria liquid of Lactobacillus acidophilus , the bacteria liquid of Bifidobactreium longum , the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus , the bacteria liquid of Streptococcus thermophilus , the fruits and vegetables, and water is (2000 ⁇ 8000) ml:(2000 ⁇ 8000) ml:(2000 ⁇ 8000) ml:(2000 ⁇ 8000) ml:(1000 ⁇ 1500) kg:(1000 ⁇ 1500) kg.
  • the proportion of the bacteria liquid of Lactobacillus acidophilus , the bacteria liquid of Bifidobactreium longum , the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus , the bacteria liquid of Streptococcus thermophilus , the fruits and vegetables, and water is preferably embodied as (2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(1000, 1200, or 1500) kg:(1000, 1200, or 1500) kg.
  • the bacteria liquid of Lactobacillus acidophilus is prepared by a following method comprising: fermenting and cultivating Lactobacillus acidophilus to obtain a fermented product, i.e., the bacteria liquid of Lactobacillus acidophilus .
  • a fermenting temperature is 20° C. ⁇ 41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C.
  • a fermenting period is 15 h ⁇ 36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
  • the bacteria liquid of Bifidobactreium longum is prepared by a following method comprising: fermenting and cultivating Bifidobactreium longum to obtain a fermented product, i.e., the bacteria liquid of Bifidobactreium longum .
  • a fermenting temperature is 20° C. ⁇ 41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C.
  • a fermenting period is 15 h ⁇ 36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
  • the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus is prepared by a following method comprising steps of: fermenting and cultivating Lactobacillus delbrueckii subsp. bulgaricus to obtain a fermented product, i.e. the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus .
  • a fermenting temperature is 20° C. ⁇ 41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C.
  • a fermenting period is 15 h ⁇ 36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
  • the bacteria liquid of Streptococcus thermophilus is prepared by a following method comprising steps of: fermenting and cultivating Streptococcus thermophilus to obtain a fermented product, i.e. the bacteria liquid of Streptococcus thermophilus .
  • a fermenting temperature is 20° C. ⁇ 41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C.
  • a fermenting period is 15 h ⁇ 36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
  • the Lactobacillus acidophilus is preferably embodied as Lactobacillus acidophilus CGMCC 1.1854, the Bifidobactreium longum is preferably embodied as Bifidobactreium longum CGMCC 1.2186, the Lactobacillus delbrueckii subsp. bulgaricus is preferably embodied as Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the Streptococcus thermophilus is preferably embodied as Streptococcus thermophilus CGMCC 1.2471.
  • a medium of fermenting and cultivating is prepared by a method comprising: mixing 10 g of peptone, 10 g of beef extract, 5 g of yeast extract, 20 g of glucose, 1 g of tween-80, 2 g of K 2 HPO 4 , 1 g of tween-80, 5 g of NaAC, 2 g of ammonium citrate tribasic, 0.2 g of MgSO 4 , 0.05 g of MnSO 4 , and water, wherein a volume of the medium is up to 1 L by adding the water.
  • the fermentation broth of fruits and vegetables prepared by the above method is also in a protecting range of the present invention.
  • probiotics comprising Lactobacillus acidophilus, Bifidobactreium longum, Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus are selected to take part in the fermentation, in such a manner that a fermenting course could be controlled, and a fermenting period is reduced to 15 days. Metabolites of the probiotics are benefit to human body.
  • Enzyme of fruits and vegetables (the fermentation broth) in the present invention is a full-functional natural food produced by fermenting extracts of 80 kinds of natural vegetables and fruits and the probiotics.
  • the fermentation broth contains full vitamins, mineral substances, and amino acids.
  • the fermentation broth could provide complete nutrients to cells to repair the cells, and increase an efficiency of biochemical reactions, wherein the cells reacts to form other beneficial components.
  • Lactobacillus acidophilus The Lactobacillus acidophilus , the Bifidobactreium longum , the Lactobacillus delbrueckii subsp. bulgaricus and the Streptococcus thermophilus are all available on the China General Microbiological Culture Collection Center, CGMCC. http://www.cgmcc.net/
  • Lactobacillus acidophilus CGMCC 1.1854 No. 1.1854 Generic name Lactobacillus Specific epithet Acidophilus Isolation No. ABT-A History of culture Microbiology Research Institute of China Science Academy Biohazard Fourth class Application Fermentation of milk product, food and beverage Culture temperature 37° C. Culture medium 6 Isolation source Mixed milk starter cultures Direct source China See http://www.cgmcc.net/directory/detial.php?no 9592
  • Probiotic strains are bought from micro-biology institute of Chinese Sciences Academy, the probiotics are Lactobacillus acidophilus CGMCC 1.1854, Bifidobactreium longum CGMCC 1.2186, Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and Streptococcus thermophilus CGMCC 1.2471. All of the strains are preserved in sand tube, and are used as original strains.
  • Preparing master seeds of the probiotics (Generations of transfer of the mater seeds is not more than 10, and the generations in the present invention is 4.) comprises:
  • MRS solid medium (10 g/l peptone, 10 g/l beef extract, 5 g/l yeast extract, 20 g/l glucose, 1 g/l tween-80, 2 g/l K 2 HPO 4 , 1 g/l tween-80, 5 g/l NaAC, 2 g/l ammonium citrate tribasic, 0.2 g/l MgSO 4 , 0.05 g/l MnSO 4 , 1.5% agar, sterilization in a temperature of 121° C. for 20 min), culturing the probiotics in a incubator in a temperature of 37° C. for 16 h;
  • Preparing working seeds of the probiotics comprises steps of: (The transfer generations of working seeds is not more than 5, and the transfer generations in the present invention is 4.)
  • Fermenting the fruits and the vegetables comprises steps of:
  • the fermentation broth of fruits and vegetables mainly comprises: lactic acid and acetic acid, so acidity is identified as characteristic components of the fermentation broth of fruits and vegetables, which is preferably embodied as followed.
  • the acidity of the fermentation broth of fruits and vegetables refers to ml number/volume of NaOH solution of 0.1N consumed to titrate 100 ml of the fermentation broth of fruits and vegetables, and 10 ml of sample of the fermentation broth of fruits and vegetables is usually used when detecting.
  • Extracting method is mainly same as method 1, except that 2000 ml of each of the bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, the bacteria liquid of Bifidobactreium longum CGMCC 1.2186, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the bacteria liquid of Streptococcus thermophilus CGMCC 1.2471 are added, the weight of the fruits and vegetables added is 1000 kg, and the weight of the water is 1000 kg.
  • Fermenting temperature of the fermentation broth of fruits and vegetables is 18° C., and fermenting period is 10 d.
  • fermenting temperatures are all 20° C., and fermenting periods are all 15 h.
  • Detecting method is same as method 1, and there is no marked difference in the result and the steps.
  • Extracting method is mainly same as method 1, except that 8000 ml of each of the bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, the bacteria liquid of Bifidobactreium longum CGMCC 1.2186, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the bacteria liquid of Streptococcus thermophilus CGMCC 1.2471 are added, the weight of the fruits and vegetables added is 1500 kg, and the weight of the water is 1500 kg.
  • Fermenting temperature of the fermentation broth of fruits and vegetables is 37° C., and fermenting period is 180 d.
  • fermenting temperatures are all 41° C., and fermenting periods are all 36 h.
  • Detecting method is same as method 1, and there is no marked difference in the result and the steps.
  • the fermentation broth of fruits and vegetables obtained according to the embodiment 1 has a mass density of 1.01. Solutions of various dose or concentration are prepared by adding distilled water.
  • mice 200 female mice are divided into 5 parts. 40 mice in the each part are randomly divided into 4 groups, i.e., a control group and three dosage groups, and each group comprises 10 mice, wherein the control group is processed with intragastric administration by feeding equivalent volume of distilled water. Experimental dosages of the other three dosage groups are designed as 10 ml/kg, 6.6 ml/kg and 3.3 ml/kg.
  • the three dosage groups are processed with intragastric administration one time every day according to the experimental dosages, and the control group is processed with intragastric administration by feeding equivalent volume of distilled water. Volumes of intragastric administration are all 0.2 ml/10 g. Various immunity indexes are respectively determined after 30 days.
  • the experimental methods are as follows.
  • spleens of the mice in the four groups are taken out sterilely to prepare suspension of spleen cells, and a concentration of the spleen cells is adjusted to 3 ⁇ 10 6 /ml by using RPMI1640 complete medium (brought from Beijing Dingguo Biological technology Co. Ltd).
  • Mixed lymphocyte reactions are processed according to procedures of the MTT method, and absorbances (A) of the suspension are measured at a wavelength of 570 nm. Absorbance differences between ConA + and ConA ⁇ are calculated. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 2.
  • mice On 25 th of intragastric administration, 0.2 ml of having a concentration of 20% is injected into abdominal cavity of each mouse. On 5 th day after being immune, the mice are executed, and dissected to take spleens to prepare suspension of spleen cells. A concentration of the spleen cells is adjusted to 5 ⁇ 10 6 /ml by using RPMI1640 complete medium. Agarose slides are prepared according to procedures. Complement is added after agarose slides are incubated in a CO 2 incubator (37° C., 5% CO 2 ) for 1.5 h, and then the agarose slides are incubated again for 1.5 h. Amount of haemolysis plaque formed on each agarose slide is counted. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 4.
  • difference of the amounts of haemolysis plaque between the higher dosage group and the control group has statistical significance (p ⁇ 0.05).
  • Difference of the amounts of haemolysis plaque between the middle dosage group and the control group, and difference of the amounts of haemolysis plaque between the lower dosage group and the control group have no statistical significance (p>0.05).
  • India ink (4 times diluted) of 0.1 ml/10 g is injected in caudal vein of the mice in the four groups in order.
  • 20 ⁇ l of blood is respectively taken at inner canthus of each mouse on time.
  • the blood is rapidly added into 2 ml of sodium carbonate solution having a concentration of 0.1%, and the solution is shaken up.
  • Absorbances (A) of the solution are measured at a wavelength of 600 nm with an ultraviolet and visible spectrophotometer. Meanwhile, liver and spleen of each mouse are weighed, and phagocytic index are calculated according a formula. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 5.
  • difference of carbon clearance phagocytic index between the higher dosage group and the control group has statistical significance (p ⁇ 0.05).
  • Difference of carbon clearance phagocytic index between the middle dosage group and the control group, and difference of carbon clearance phagocytic index between the lower dosage group and the control group have no statistical significance (p>0.05).
  • converted value of phagocytic rate of swallowing of chicken erythrocytes by macrophages of mice in the dosage groups are higher than that in the control group. Difference between higher dosage group and the control group has statistical significance (p ⁇ 0.05). Difference between the middle dosage group and the control group has statistical significance (p ⁇ 0.05). Difference between the lower dosage group and the control group has statistical significance (p>0.05).
  • compositions obtained according to the method 2 and method 3 in the embodiment 1 are detected by methods same as above, and there is no significant difference between results of the compositions obtained according to the method 2 and method 3, and the results of the composition obtained according to the method 1.

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Abstract

A method for preparing fermentation broth of fruits and vegetables includes steps of mixing fruits, vegetables, bacteria liquid of Lactobacillus acidophilus, bacteria liquid of Bifidobactreium longum, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and bacteria liquid of Streptococcus thermophilus, and processing fermentation to obtain the fermentation broth of fruits and vegetables. A fermenting course of the method could be controlled, and a fermenting period is reduced to 15 days.

Description

CROSS REFERENCE OF RELATED APPLICATION
This is a Continuation-In-Parts application of the International Application PCT/CN2011/077173, filed on Jul. 14, 2011, which claims the benefit of CN 201110023826.6 and priority date of Jan. 21, 2011.
BACKGROUND OF THE PRESENT INVENTION
1. Field of Invention
The present invention relates to a method for preparing fermentation broth of fruits and vegetables.
2. Description of Related Arts
It is shown in the prior researches that the enzyme of fruits and vegetables has following physiological functions of:
(1) clearing up the internal environment of human body, purifying blood, improving physique, decomposing and removing foreign matters, and preventing the chronic diseases and degenerative diseases;
(2) improving the carrying ability of the white blood cells, promoting the functions of the white blood cells, and improving anti-inflammatory ability, antibacterial ability, and self-healing ability of the body;
(3) taking part in digestion and decomposition of foods, and promoting recovery of body strength, wherein the multiple factors of the enzyme take part in digestion and decomposition of foods, in such a manner that foods are easier to be digested and decomposed;
(4) promoting the metabolism of cells, producing energy, and promoting regeneration of the cells in sub-health;
(5) reviving the reproductive cells which have decayed, and improving the reproductive function;
(6) alleviating the hangover, and preventing being drunk; and
(7) supplementing nutrition and energy.
In a conventional method of preparing the enzyme, fruits and vegetables are smashed into pieces, and fermented with water under an anaerobic condition. In this fermentation, neither the fermenting course nor the strains of the bacteria taking parting in the fermentation could not be controlled, in such a manner that some bacteria may produce some substances harmful to human body, and the fermenting period is long (usually 3˜6 months).
SUMMARY OF THE PRESENT INVENTION
An object of the present invention is to provide a method for preparing fermentation broth of fruits and vegetables.
The method provided by the present invention comprises following steps of:
mixing fruits, vegetables, bacteria liquid of Lactobacillus acidophilus, bacteria liquid of Bifidobactreium longum, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and bacteria liquid of Streptococcus thermophilus, and processing fermentation to obtain a fermentation product, i.e. the fermentation broth of fruits and vegetables.
A fermentation temperature is 18° C.˜37° C., wherein the fermentation temperature is preferably embodied as 18° C., 23° C., or 37° C. A fermenting period is 10 days˜180 days, wherein the fermenting period is preferably embodied as 10 days, 15 days, or 180 days. A fermentation method comprises stirring while fermentation.
The method further comprises smashing the fruits and the vegetables into pieces of 40˜50 meshes before the step of fermentation.
The method further comprises filtering the fermentation product after the step of fermentation, collecting filtrate, processing ultrafiltration, and collecting liquid produced by the ultrafiltration, i.e., the fermentation broth of fruits and vegetables.
The step of ultrafiltration comprises ultrafiltering the filtrate in a molecular weight of 100,000, wherein a liquid inlet pressure is 1.3 kg, and a liquid outlet pressure is 0.5 kg.
The fruits and the vegetables refer to a mixture of following 54 kinds of fruits and vegetables, which are
konjak, eggplant, asparagus, spinach, bean sprout, broccoli, cabbage, radish, cucumber, peas, red pepper, celery, scallion, garlic, grapes, grapefruit, watermelon, peach, tangerine, blue berry, sweet orange, banana, litchi, balsam pear, leek, pomegranate, pitaya, carrot, tomato, Chinese cabbage, parsley, bell pepper, lettuce, pear, ginger, taro, kidney bean, pumpkin, lotus root, cherry, kiwi fruit, plum, strawberry, fig, kumquat, mandarin orange, Nanguo pear, cantaloup, Hami melon, papaya, onion, mulberry, sugar beet, and lemon.
Mass of each fruit or vegetable is equal with each other.
A proportion of the bacteria liquid of Lactobacillus acidophilus, the bacteria liquid of Bifidobactreium longum, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, the bacteria liquid of Streptococcus thermophilus, the fruits and vegetables, and water is (2000˜8000) ml:(2000˜8000) ml:(2000˜8000) ml:(2000˜8000) ml:(1000˜1500) kg:(1000˜1500) kg.
The proportion of the bacteria liquid of Lactobacillus acidophilus, the bacteria liquid of Bifidobactreium longum, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, the bacteria liquid of Streptococcus thermophilus, the fruits and vegetables, and water is preferably embodied as (2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(2000, 5000, or 8000) ml:(1000, 1200, or 1500) kg:(1000, 1200, or 1500) kg.
The bacteria liquid of Lactobacillus acidophilus is prepared by a following method comprising: fermenting and cultivating Lactobacillus acidophilus to obtain a fermented product, i.e., the bacteria liquid of Lactobacillus acidophilus. A fermenting temperature is 20° C.˜41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C. A fermenting period is 15 h˜36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
The bacteria liquid of Bifidobactreium longum is prepared by a following method comprising: fermenting and cultivating Bifidobactreium longum to obtain a fermented product, i.e., the bacteria liquid of Bifidobactreium longum. A fermenting temperature is 20° C.˜41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C. A fermenting period is 15 h˜36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
The bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus is prepared by a following method comprising steps of: fermenting and cultivating Lactobacillus delbrueckii subsp. bulgaricus to obtain a fermented product, i.e. the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus. A fermenting temperature is 20° C.˜41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C. A fermenting period is 15 h˜36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
The bacteria liquid of Streptococcus thermophilus is prepared by a following method comprising steps of: fermenting and cultivating Streptococcus thermophilus to obtain a fermented product, i.e. the bacteria liquid of Streptococcus thermophilus. A fermenting temperature is 20° C.˜41° C., wherein the fermenting temperature is preferably embodied as 20° C., 37° C., or 41° C. A fermenting period is 15 h˜36 h, wherein the fermenting period is preferably embodied as 15 h, 16 h, or 36 h.
The Lactobacillus acidophilus is preferably embodied as Lactobacillus acidophilus CGMCC 1.1854, the Bifidobactreium longum is preferably embodied as Bifidobactreium longum CGMCC 1.2186, the Lactobacillus delbrueckii subsp. bulgaricus is preferably embodied as Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the Streptococcus thermophilus is preferably embodied as Streptococcus thermophilus CGMCC 1.2471.
A medium of fermenting and cultivating is prepared by a method comprising: mixing 10 g of peptone, 10 g of beef extract, 5 g of yeast extract, 20 g of glucose, 1 g of tween-80, 2 g of K2HPO4, 1 g of tween-80, 5 g of NaAC, 2 g of ammonium citrate tribasic, 0.2 g of MgSO4, 0.05 g of MnSO4, and water, wherein a volume of the medium is up to 1 L by adding the water.
The fermentation broth of fruits and vegetables prepared by the above method is also in a protecting range of the present invention.
An applications of the above method or the fermentation broth of fruits and vegetables in a medicine for improving immunity, reducing fatigue, strengthening spleen and stomach, or removing chloasma is also in a protecting range of the present invention.
It is proved by experiments in the present invention that 4 kinds of probiotics comprising Lactobacillus acidophilus, Bifidobactreium longum, Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus are selected to take part in the fermentation, in such a manner that a fermenting course could be controlled, and a fermenting period is reduced to 15 days. Metabolites of the probiotics are benefit to human body. Enzyme of fruits and vegetables (the fermentation broth) in the present invention is a full-functional natural food produced by fermenting extracts of 80 kinds of natural vegetables and fruits and the probiotics. The fermentation broth contains full vitamins, mineral substances, and amino acids. The fermentation broth could provide complete nutrients to cells to repair the cells, and increase an efficiency of biochemical reactions, wherein the cells reacts to form other beneficial components.
The Lactobacillus acidophilus, the Bifidobactreium longum, the Lactobacillus delbrueckii subsp. bulgaricus and the Streptococcus thermophilus are all available on the China General Microbiological Culture Collection Center, CGMCC. http://www.cgmcc.net/
TABLE 1
Lactobacillus acidophilus CGMCC 1.1854
No. 1.1854
Generic name Lactobacillus
Specific epithet Acidophilus
Isolation No. ABT-A
History of culture Microbiology Research Institute of China Science
Academy
Biohazard Fourth class
Application Fermentation of milk product, food and beverage
Culture temperature 37° C.
Culture medium 6
Isolation source Mixed milk starter cultures
Direct source China

See http://www.cgmcc.net/directory/detial.php?no=9592
TABLE 2
Bifidobactreium longum CGMCC 1.2186
No 1.2186
Generic name Bifidobacterium
Specific epithet longum subsp. longum
Isolation No JCM 1217
History of culture JCM
Biohazard Fourth class
Application Type strain
Culture temperature 37° C.
Culture medium 233
Isolation source Adult intestine
Direct source Japan

See http://www.cgmcc.net/directory/detial.php?no=8302
TABLE 3
Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480
No 1.1480
Generic name Lactobacillus
Specific epithet delbrueckii subsp. bulgaricus
Isolation No. 6-1
History of culture Microbiology Research Institute of China
Science Academy
Biohazard Fourth class
Application Yoghurt
Culture temperature 37° C.
Culture medium 44
Direct source China

See http://www.cgmcc.net/directory/detial.php?no=9643
TABLE 4
Streptococcus thermophilus CGMCC 1.2471
No. 1.2471
Generic name Streptococcus
Specific epithet thermophilus
Isolation No. 2000-8
History of culture Microbiology Research Institute of China
Science Academy
Biohazard Fourth class
Application Probiotics
Culture temperature 37° C.
Culture medium 6
Isolation source Health care capsules
Original source China
Direct source China

See http://www.cgmcc.net/directory/detial.php?no=11414.
These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Experimental methods used in following embodiments are all conventional method, if there is no special instruction.
Material, reagents, etc. used in the following embodiments could all be obtained by a commercial way, if there is no special instruction.
Example 1 Preparing Fermentation Broth of Fruits and Vegetables
Method 1
I. Fruits and Vegetables Selected
54 kinds of fruits and vegetables are listed as followed.
TABLE 1
Fruits and vegetables
Material Nutritional ingredient Material Nutritional ingredient
Konjac Vitamin B1, B2, citric Carrot Vitamin A, carotene,
acid, fermentation product fermentation product
Eggplant Vitamin A, B1, B2, C, Tomato Vitamin A, carotene, citric acid,
fermentation product fermentation product
Asparagus Vitamin B1, B2, citric Chinese Vitamins, mineral substances,
acid, fermentation product cabbage fermentation product
Spinach Vitamin A, C, ferrum, Parsley Vitamins, mineral substances,
calcium, fermentation fibers, fermentation product
product
Bean sprout Vitamin, soap, amino Bell Vitamin C, mineral substances,
acid, fermentation product pepper fermentation product
Broccoli Vitamin B1, B2, citric Lettuce Vitamin A, mineral substances,
acid, fermentation product fermentation product
Cabbage Vitamin B1, B2, citric Pear Fructose, mineral substances,
acid, fermentation product fermentation product
Radish Vitamin B1, B2, citric Ginger Vitamins, mineral substances,
acid, fermentation product fermentation product
Cucumber Vitamin B1, B2, citric Taro Vitamin B1, B2, C, mineral
acid, fermentation product substances, fermentation product
Pea Vitamin B1, B2, citric Kidney Vitamin B1, B2, citric acid,
acid, fermentation product beans fermentation product
Red pepper Vitamin B1, B2, citric Pumpkin Carotene, mineral substances,
acid, fermentation product fermentation product
Celery Vitamin B1, B2, citric Lotus root Ferrum, tannin, fermentation
acid, fermentation product product
Scallion Vitamin B1, B2, citric Cherry mineral substances,
acid, fermentation product fermentation product
Garlic Vitamin B1, B2, citric Kiwi fruit Vitamin C, fermentation product
acid, fermentation product
Grapes Vitamin B1, B2, citric Plum organic acid, vitamins,
acid, fermentation product fermentation product
Grapefruit Vitamin B1, B2, citric Strawberry Vitamin C, mineral substances,
acid, fermentation product ellagic acid, fermentation
product
Watermelon Vitamin B1, B2, citric Fig fermentation product, vitamins,
acid, fermentation product mineral substances
Peach Vitamin B1, B2, citric Kumquat Vitamin B1, B2, C,
acid, fermentation product fermentation product
Tangerine Vitamin B1, B2, C, Mandarin Vitamin C, citric acid,
fermentation product orange fermentation product
Blueberry Vitamin B1, B2, citric Nanguo Vitamin B1, B2, C, citric acid,
acid, fermentation product pear fermentation product
Sweet orange Vitamin B1, B2, citric Cantaloup Vitamin B1, B2, citric acid,
acid, fermentation product fermentation product
Banana Vitamin B1, B2, citric Hami Fructose, potassium, vitamin A,
acid, fermentation product melon fermentation product
Litchi Vitamin B1, B2, citric Papaya Vitamin B, C, E, citric acid,
acid, fermentation product carotene, fermentation product
Balsam pear Vitamin B1, B2, citric Onion Vitamin B, C, carotene,
acid, fermentation product fermentation product
Leek Vitamin B1, B2, citric Mulberry Vitamin B1, B2, citric acid,
acid, fermentation product fermentation product
Pomegranate Vitamin B1, B2, citric Sugar beet Betaine, fermentation product
acid, fermentation product
Pitaya Vitamin B1, B2, citric Lemon citric acid, fermentation product
acid, fermentation product

II. Fermenting the Fruits and the Vegetables
1. Selecting and Buying Strains
Probiotic strains are bought from micro-biology institute of Chinese Sciences Academy, the probiotics are Lactobacillus acidophilus CGMCC 1.1854, Bifidobactreium longum CGMCC 1.2186, Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and Streptococcus thermophilus CGMCC 1.2471. All of the strains are preserved in sand tube, and are used as original strains.
2. Preparing Master Seeds
Preparing master seeds of the probiotics (Generations of transfer of the mater seeds is not more than 10, and the generations in the present invention is 4.) comprises:
(1) taking 1/10 of the sand tube of Lactobacillus acidophilus CGMCC 1.1854, Bifidobactreium longum CGMCC 1.2186, Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and Streptococcus thermophilus CGMCC 1.2471 with a sterile stainless steel spoon, wherein rest of the probiotics is cryopreserved, respectively inoculating the probiotics in 50 ml of MRS liquid medium (250 triangular flask) (10 g/l peptone, 10 g/l beef extract, 5 g/l yeast extract, 20 g/l glucose, 1 g/l tween-80, 2 g/l K2HPO4, 1 g/l tween-80, 5 g/l NaAC, 2 g/l ammonium citrate tribasic, 0.2 g/l MgSO4, 0.05 g/l MnSO4, sterilization in a temperature of 121° C. for 20 min), and culturing the probiotics on a shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h;
(2) respectively taking one loop of each probiotics with a inoculating loop, respectively streak inoculating the probiotics in MRS solid medium (10 g/l peptone, 10 g/l beef extract, 5 g/l yeast extract, 20 g/l glucose, 1 g/l tween-80, 2 g/l K2HPO4, 1 g/l tween-80, 5 g/l NaAC, 2 g/l ammonium citrate tribasic, 0.2 g/l MgSO4, 0.05 g/l MnSO4, 1.5% agar, sterilization in a temperature of 121° C. for 20 min), culturing the probiotics in a incubator in a temperature of 37° C. for 16 h;
(3) respectively taking a bacterial colony which is most eugenic in each probiotics, respectively inoculating the bacterial colony in 50 ml of the MRS liquid medium, and culturing the bacterial colony on a shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h;
(4) respectively inoculating the bacterial colony in 500 ml of the MRS liquid medium, culturing the bacterial colony on the shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h, adding glycerol to a concentration of 20%, shaking up, storing the probiotics by 1 ml into freezing tubes, which are used as the master seeds of Lactobacillus acidophilus, Bifidobactreium longum, Bifidobacterium breve, and Streptococcus thermophilus, preserving in a temperature of −40° C.
3. Preparing Working Seeds
Preparing working seeds of the probiotics comprises steps of: (The transfer generations of working seeds is not more than 5, and the transfer generations in the present invention is 4.)
(1) respectively taking the master seeds of Lactobacillus acidophilus CGMCC 1.1854, Bifidobactreium longum CGMCC 1.2186, Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and Streptococcus thermophilus CGMCC 1.2471 with the sterile inoculating loop, respectively streak inoculating the master seeds on the MRS solid medium, and culturing the master seeds in the incubator in a temperature of 37° C. for 16 h;
(2) respectively taking a bacterial colony which is most eugenic in each probiotics, respectively inoculating the bacterial colony in 50 ml of the MRS liquid medium, and culturing the bacterial colony on the shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h;
(3) respectively inoculating the bacterial colony in 500 ml of the MRS liquid medium, and culturing the bacterial colony on the shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h; and
(4) respectively inoculating the bacterial colony in 5000 ml of the MRS liquid medium, and culturing the bacterial colony on the shaking table in a speed of 100 r/min and a temperature of 37° C. for 16 h to obtain bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, bacteria liquid of Bifidobactreium longum CGMCC 1.2186, bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and bacteria liquid of Streptococcus thermophilus CGMCC 1.2471, wherein above bacteria liquids are all whole fermenting products in the fermenting container.
4. Fermenting the Fruits and the Vegetables
Fermenting the fruits and the vegetables comprises steps of:
  • 1) weighing the materials in above Table 1, and taking 15 kg of every kind;
  • 2) washing the materials, drying, and weighing;
  • 3) smashing the materials into pieces of 40˜50 meshes, adding the materials into a fermenter,
wherein practical feeding amount is 2400 kg for a fermenter of 3t (Weight of effective solvents=3t*0.8=2.4t.), and a proportion of the fruits and vegetables and water is 1:1, e.g., the weight of the fruits and vegetables is 1200 kg, and the weight of the water is 1200 kg;
  • 4) adding 5000 ml of each of the bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, the bacteria liquid of Bifidobactreium longum CGMCC 1.2186, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the bacteria liquid of Streptococcus thermophilus CGMCC 1.2471 into the fermenter, controlling the fermenting temperature being 23° C., stirring for 15 d;
  • 5) filtering the fermenting product with a filter cloth of 200 meshes, and removing residues of the fruits and vegetables to obtain filtrate; and
  • 6) ultrafiltering the filtrate in a molecular weight of 100,000 (a liquid inlet pressure is 1.3 kg, and a liquid outlet pressure is 0.5 kg) to obtain 1200˜1500 kg of clear liquid, sealing the clear liquid, preserving the clear liquid in a temperature of 4° C. to obtain the fermentation broth of fruits and vegetables.
    III. Detecting
The fermentation broth of fruits and vegetables mainly comprises: lactic acid and acetic acid, so acidity is identified as characteristic components of the fermentation broth of fruits and vegetables, which is preferably embodied as followed.
The acidity of the fermentation broth of fruits and vegetables refers to ml number/volume of NaOH solution of 0.1N consumed to titrate 100 ml of the fermentation broth of fruits and vegetables, and 10 ml of sample of the fermentation broth of fruits and vegetables is usually used when detecting.
Detecting comprises steps of: taking 10 ml of the fermentation broth of fruits and vegetables, 20 ml of water, and 0.5 ml of phenolphthalein indicator, processing titration with NaOH standard solution of 0.1N until mixture turns to reddish without fading in a period of 30 seconds. Calculating formula: Acidity=volume of the NaOH standard solution of 0.1N consumed*10
Result: The acidity of the product is 42.
Method 2
I. Fruits and Vegetables Selected are Same as Method 1.
II. Fermenting the Fruits and the Vegetables
Extracting method is mainly same as method 1, except that 2000 ml of each of the bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, the bacteria liquid of Bifidobactreium longum CGMCC 1.2186, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the bacteria liquid of Streptococcus thermophilus CGMCC 1.2471 are added, the weight of the fruits and vegetables added is 1000 kg, and the weight of the water is 1000 kg.
Fermenting temperature of the fermentation broth of fruits and vegetables is 18° C., and fermenting period is 10 d.
In the preparations of the bacteria liquid of Lactobacillus acidophilus, the bacteria liquid of Bifidobactreium longum, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and the bacteria liquid of Streptococcus thermophilus, fermenting temperatures are all 20° C., and fermenting periods are all 15 h.
III. Detecting
Detecting method is same as method 1, and there is no marked difference in the result and the steps.
Method 3
I. Fruits and Vegetables Selected are Same as Method 1.
II. Fermenting the Fruits and the Vegetables
Extracting method is mainly same as method 1, except that 8000 ml of each of the bacteria liquid of Lactobacillus acidophilus CGMCC 1.1854, the bacteria liquid of Bifidobactreium longum CGMCC 1.2186, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the bacteria liquid of Streptococcus thermophilus CGMCC 1.2471 are added, the weight of the fruits and vegetables added is 1500 kg, and the weight of the water is 1500 kg.
Fermenting temperature of the fermentation broth of fruits and vegetables is 37° C., and fermenting period is 180 d.
In the preparations of the bacteria liquid of Lactobacillus acidophilus, the bacteria liquid of Bifidobactreium longum, the bacteria liquid of Lactobacillus delbrueckii subsp. bulgaricus, and the bacteria liquid of Streptococcus thermophilus, fermenting temperatures are all 41° C., and fermenting periods are all 36 h.
III. Detecting
Detecting method is same as method 1, and there is no marked difference in the result and the steps.
Example 2 Experimental Research on a Function of Improving Immunity of the Fermentation Broth of Fruits and Vegetables
1. Materials and Methods
1.1. Test Substances
The fermentation broth of fruits and vegetables obtained according to the embodiment 1 has a mass density of 1.01. Solutions of various dose or concentration are prepared by adding distilled water.
1.2. Experimental Animal
200 healthy female mice of Kunming species are provided by experimental animal center of Jilin University, which weigh 18˜22 g. Feed and bedding are also provided by the experimental animal center of Jilin University.
1.3. Environment of Animal Room
Temperature 20° C.˜22° C., humidity 45%˜50%
1.4. Choosing Dosage
200 female mice are divided into 5 parts. 40 mice in the each part are randomly divided into 4 groups, i.e., a control group and three dosage groups, and each group comprises 10 mice, wherein the control group is processed with intragastric administration by feeding equivalent volume of distilled water. Experimental dosages of the other three dosage groups are designed as 10 ml/kg, 6.6 ml/kg and 3.3 ml/kg.
1.5. Experimental Method
The three dosage groups are processed with intragastric administration one time every day according to the experimental dosages, and the control group is processed with intragastric administration by feeding equivalent volume of distilled water. Volumes of intragastric administration are all 0.2 ml/10 g. Various immunity indexes are respectively determined after 30 days. The experimental methods are as follows.
1.5.1. Determination of Delayed-Type Hypersensitivity (DTH) of Mice
On 26th day of intragastric administration, 0.2 ml of sheep red blood cell (SRBC, Beijing Dingguo Biological technology Co. Ltd., v/v) having a concentration of 2% is injected into abdominal cavities of the mice to cause sensitization. On 4th day after being immune, SRBC of a concentration of 20% (20 μl/mice) is injected into left rear vola pedis of each mouse to attack. A thickness at a same position on the left rear vola pedis of each mouse is measured 24 h before and after attacking. Difference between the thickness before attacking and the thickness after the attacking is calculated. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 1.
TABLE 1
Determination results of DTH of mice fed with fermentation broth of
fruits and vegetables
Thickness Difference
Group (ml/kg) Animal amount of vola pedis (mm)
10   10 0.839 ± 0.352**
6.6 10 0.854 ± 0.361**
3.3 10 0.612 ± 0.102
Control 10 0.571 ± 0.044
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 1, after the mice are process with intragastric administration by feeding fermentation broth of fruits and vegetables of different dosages for 30 days, compared to the control group, swelling of the vola pedis of the mice in the group fed with higher dosage and middle dosage significantly increases (p<0.01), differences have remarkable statistical significance.
1.5.2. Experiment of Transformation of Splenic Lymphocyte of Mice Induced by ConA (MTT Method)
On 26th of intragastric administration, spleens of the mice in the four groups are taken out sterilely to prepare suspension of spleen cells, and a concentration of the spleen cells is adjusted to 3×106/ml by using RPMI1640 complete medium (brought from Beijing Dingguo Biological technology Co. Ltd). Mixed lymphocyte reactions are processed according to procedures of the MTT method, and absorbances (A) of the suspension are measured at a wavelength of 570 nm. Absorbance differences between ConA+ and ConA− are calculated. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 2.
TABLE 2
Determination results of transformation of splenic lymphocyte of mice
fed with fermentation broth of fruits and vegetables
Difference between
Group (ml/kg) Animal amount ConA+ and ConA−
10   10 0.132 ± 0.085**
6.6 10 0.121 ± 0.072**
3.3 10 0.105 ± 0.066
Control 10 0.101 ± 0.021
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 2, compared to the control group, transformation rate of splenic lymphocyte induced by ConA of the mice in the group fed with higher dosage and middle dosage significantly increases (p<0.01), differences have remarkable statistical significance.
1.5.3. Determination of Serum Hemolysin
On 25th of intragastric administration, 0.2 ml of SRBC having a concentration of 20% is injected into abdominal cavity of each mouse. On 5th day after being immune, eyeball enucleation is processed to take blood. Serum is separated, and serum hemolysin is determined on a microscale blood clot plate. The serum is incubated in a temperature of 37° C. for 3 hours, and aggregation degrees of blood cells are collected, and corresponding antibody titre levels are calculated. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 3.
TABLE 3
Determination results of serum hemolysin of mice fed with fermentation
broth of fruits and vegetables
Group (ml/kg) Animal amount antibody titre levels
10   10 177.05 ± 16.54**
6.6 10 165.25 ± 14.69**
3.3 10 176.67 ± 16.73**
Control 10 149.35 ± 7.88
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 1, compared to the control group, antibody titre levels of mice in the dosage groups are all higher than that of the mice in the control group (p<0.01), differences have remarkable statistical significance.
1.5.4. Determination of Plaque Forming Cells (PFC)
On 25th of intragastric administration, 0.2 ml of having a concentration of 20% is injected into abdominal cavity of each mouse. On 5th day after being immune, the mice are executed, and dissected to take spleens to prepare suspension of spleen cells. A concentration of the spleen cells is adjusted to 5×106/ml by using RPMI1640 complete medium. Agarose slides are prepared according to procedures. Complement is added after agarose slides are incubated in a CO2 incubator (37° C., 5% CO2) for 1.5 h, and then the agarose slides are incubated again for 1.5 h. Amount of haemolysis plaque formed on each agarose slide is counted. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 4.
TABLE 4
Determination results of plaque forming cells of mice fed with
fermentation broth of fruits and vegetables
Amount of haemolysis plaque formed/
Group (ml/kg) Animal amount 106 spleen cells
10   10 876 ± 308*
6.6 10 791 ± 135
3.3 10 776 ± 175
Control 10 605 ± 142
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 4, difference of the amounts of haemolysis plaque between the higher dosage group and the control group has statistical significance (p<0.05). Difference of the amounts of haemolysis plaque between the middle dosage group and the control group, and difference of the amounts of haemolysis plaque between the lower dosage group and the control group have no statistical significance (p>0.05).
1.5.5. Carbon Clearance Test of Mice
India ink (4 times diluted) of 0.1 ml/10 g is injected in caudal vein of the mice in the four groups in order. At 2 min and 10 min after injection of the ink, 20 μl of blood is respectively taken at inner canthus of each mouse on time. The blood is rapidly added into 2 ml of sodium carbonate solution having a concentration of 0.1%, and the solution is shaken up. Absorbances (A) of the solution are measured at a wavelength of 600 nm with an ultraviolet and visible spectrophotometer. Meanwhile, liver and spleen of each mouse are weighed, and phagocytic index are calculated according a formula. Results of the dosage groups and the control group are compared and processed with analysis of variance. Results are shown in Table 5.
TABLE 5
Determination results of carbon clearance test of mice fed with
fermentation broth of fruits and vegetables
Group (ml/kg) Animal amount Phagocytic index
10   10 3.859 ± 0.305*
6.6 10 3.687 ± 0.381
3.3 10 3.406 ± 0.318
Control 10 3.384
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 5, difference of carbon clearance phagocytic index between the higher dosage group and the control group has statistical significance (p<0.05). Difference of carbon clearance phagocytic index between the middle dosage group and the control group, and difference of carbon clearance phagocytic index between the lower dosage group and the control group have no statistical significance (p>0.05).
1.5.6. Experiment of Swallowing of Chicken Erythrocytes by Macrophages in Abdominal Cavities of Mice
After last time of feeding the test substance, 1 ml of chicken erythrocytes suspension having a concentration of 20% is injected into abdominal cavity of each mouse. After 30 min, the mice are executed, and 2 ml of physiological saline is injected into abdominal cavity of each mouse. After each mouse is shaken for 1 min, washing liquid in the abdominal cavity is taken out, and slides are prepared. The slides are incubated in a temperature of 37° C. for 30 min After the slides are rinsed and fixed, the slides are dyed and examined with a microscope. An amount of macrophages swallowing chicken erythrocytes is counted, and an amount of chicken erythrocytes swallowed by macrophages is counted. Converted values of phagocytic rate and phagocytic indexes of the dosage groups and the control group are compared, and processed with analysis of variance. Results are shown in Table 6.
TABLE 6
Determination results of swallowing of chicken erythrocytes by
macrophages of mice fed with fermentation broth of fruits and vegetables
Group Animal Macrophage Converted value of Phagocytic
(ml/kg) amount amount phagocytic rate index
10   10 100 × 10 63.54 ± 4.98 2.79 ± 1.09*
6.6 10 100 × 10 62.18 ± 3.85 2.64 ± 1.02*
3.3 10 100 × 10 60.63 ± 2.82 2.25 ± 0.78
Control 10 100 × 10 48.21 ± 2.05 1.54 ± 1.05
Compared to the control group,
*p < 0.05, and
**p < 0.01.
It is shown in the table 6, converted value of phagocytic rate of swallowing of chicken erythrocytes by macrophages of mice in the dosage groups are higher than that in the control group. Difference between higher dosage group and the control group has statistical significance (p<0.05). Difference between the middle dosage group and the control group has statistical significance (p<0.05). Difference between the lower dosage group and the control group has statistical significance (p>0.05).
It is proved by animal experiments that the fermentation broth of fruits and vegetables has positive effects on cellular immune function, humoral immune function and mononuclear macrophage function of mice. It is preliminarily proved that the fermentation broth of fruits and vegetables can improve immunity.
The compositions obtained according to the method 2 and method 3 in the embodiment 1 are detected by methods same as above, and there is no significant difference between results of the compositions obtained according to the method 2 and method 3, and the results of the composition obtained according to the method 1.
One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting.
It will thus be seen that the objects of the present invention have been fully and effectively accomplished. Its embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.

Claims (17)

What is claimed is:
1. A method for preparing a fermentation broth of fruits and vegetables comprising the steps of:
(i) mixing a sufficient quantity of fruits and vegetables with a Lactobacillus acidophilus culture broth, a Bifidobacterium longum culture broth, a Lactobacillus delbrueckii subsp. bulgaricus culture broth, and a Streptococcus thermophilus culture broth to obtain a mixture, and
(ii) fermenting the mixture for a suitable time to obtain said fermentation broth.
2. The method according to claim 1, further comprising smashing the fruits and vegetables into pieces having a diameter at a range of 40-50 meshes before step (ii); filtering the fermentation broth after step (ii); collecting the filtrate, and ultra-filtrating said filtrate.
3. The method according to claim 1, wherein the fruits and vegetables are a mixture of 54 kinds of fruits and vegetables, which are konjak, eggplant, asparagus, spinach, bean sprout, broccoli, cabbage, radish, cucumber, peas, red pepper, celery, scallion, garlic, grapes, grapefruit, watermelon, peach, tangerine, blue berry, sweet orange, banana, litchi, balsam pear, leek, pomegranate, pitaya, carrot, tomato, Chinese cabbage, parsley, bell pepper, lettuce, pear, ginger, taro, kidney bean, pumpkin, lotus root, cherry, kiwi fruit, plum, strawberry, fig, kumquat, mandarin orange, Nanguo pear, cantaloupe, Hami melon, papaya, onion, mulberry, sugar beet, and lemon.
4. The method according to claim 1 wherein the mass of each fruit or vegetable is equal with each other.
5. The method according to claim 1, wherein the mixture further comprises water, and wherein the proportion of the fruits and vegetables, Lactobacillus acidophilus culture broth, Bifidobacterium longum culture broth, Lactobacillus delbrueckii subsp. bulgaricus culture broth, Streptococcus thermophilus culture broth, and water in said mixture is 1000-1500 kg:2000-8000 ml:2000-8000 ml:2000-8000 ml:2000-8000 ml:1000-1500 kg, respectively.
6. The method according to claim 5, wherein the mixture further comprises water, and wherein the proportion of the fruits and vegetables, Lactobacillus acidophilus culture broth, Bifidobacterium longum culture broth, Lactobacillus delbrueckii subsp. bulgaricus culture broth, Streptococcus thermophilus culture broth, and water in said mixture is 1000 kg, 1200 kg, or 1500 kg:2000 ml, 5000 ml, or 8000 ml:2000 ml, 5000 ml, or 8000 ml:2000 ml, 5000 ml, or 8000 ml:2000 ml, 5000 ml, or 8000 ml: 1000 kg, 1200 kg, or 1500 kg, respectively.
7. The method according to claim 1, wherein the culture broths of Lactobacillus acidophilus, Bifidobacterium longum, Lactobacillus delbrueckii subsp. bulgaricus, and Streptococcus thermophilus are prepared by a method comprising steps of: cultivating each strain separately in MRS liquid medium at a temperature of 20-41° C. for a period of 15-36 hours to obtain said culture broths.
8. The method according to claim 7, wherein each of the culture broths are cultured at a temperature of 20° C., 37° C., or 41° C., for a period of 15 hours, 16 hours, or 36 hours.
9. The method according to claim 1, wherein the Lactobacillus acidophilus is Lactobacillus acidophilus CGMCC 1.1854, the Bifidobacterium longum is Bifidobacterium longum CGMCC 1.2186, the Lactobacillus delbrueckii subsp. bulgaricus is Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the Streptococcus thermophilus is Streptococcus thermophilus CGMCC 1.2471.
10. The method according to claim 1, wherein the fermenting is conducted at a temperature of 18-37° C. for a period of 10-180 days.
11. The method according to claim 10, wherein the fermentation temperature is 18° C., 23° C., or 37° C., and the fermenting period is 10 days, 15 days, or 180 days.
12. The method according to claim 10, further comprising smashing the fruits and vegetables into pieces having a diameter at a range of 40-50 meshes before the step (i); filtering a fermentation broth after the step (ii); collecting the filtrate, and ultra-filtrating said filtrate.
13. The method according to claim 12, wherein the fruits and vegetables are a mixture of 54 kinds of fruits and vegetables, which are konjak, eggplant, asparagus, spinach, bean sprout, broccoli, cabbage, radish, cucumber, peas, red pepper, celery, scallion, garlic, grapes, grapefruit, watermelon, peach, tangerine, blue berry, sweet orange, banana, litchi, balsam pear, leek, pomegranate, pitaya, carrot, tomato, Chinese cabbage, parsley, bell pepper, lettuce, pear, ginger, taro, kidney bean, pumpkin, lotus root, cherry, kiwi fruit, plum, strawberry, fig, kumquat, mandarin orange, Nanguo pear, cantaloupe, Hami melon, papaya, onion, mulberry, sugar beet, and lemon.
14. The method according to claim 13 wherein the mass of each fruit or vegetable is equal with each other.
15. The method according to claim 14, wherein the mixture further comprises water, and wherein the proportion of the fruits and vegetables, Lactobacillus acidophilus culture broth, Bifidobacterium longum culture broth, Lactobacillus delbrueckii subsp. bulgaricus culture broth, Streptococcus thermophilus culture broth, and water in said mixture is 1000-1500 kg:1000-1500 kg:2000-8000 ml:2000-8000 ml:2000-8000 ml:2000-8000 ml, respectively.
16. The method according to claim 15, wherein the culture broths of Lactobacillus acidophilus, Bifidobacterium longum, Lactobacillus delbrueckii subsp. bulgaricus, and Streptococcus thermophilus are prepared by a method comprising steps of: cultivating each strain separately in MRS liquid medium at a temperature of 20-41° C. for a period of 15-36 hours to obtain said culture broths.
17. The method according to claim 16, wherein the Lactobacillus acidophilus is Lactobacillus acidophilus CGMCC 1.1854, the Bifidobacterium longum is Bifidobacterium longum CGMCC 1.2186, the Lactobacillus delbrueckii subsp. bulgaricus is Lactobacillus delbrueckii subsp. bulgaricus CGMCC 1.1480, and the Streptococcus thermophilus is Streptococcus thermophilus CGMCC 1.2471.
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